Apple iPhone Duo vs Apple Watch Series 12 46mm

A20 Pro chip

6-core CPU with 2 super cores and 4 efficiency cores

7-core GPU with Neural Accelerators

Dual 16-core Neural Engine

Hardware-accelerated ray tracing

S11 chip with 64-bit dual-core processor

Yes

S11 chip with 64-bit dual-core processor

4-core Neural Engine

256GB | 512GB | 1TB | 2TB

64GB

iPhone with 27

Subject to change based on future operating system updates

Fingerprint sensor built into the side button

Pay with your iPhone using Touch ID in stores, within apps, and on the web

Send and receive money in Messages with Apple Cash

Complete purchases made with Apple Pay on your Mac

Pay for your ride using Express Transit

Get help with everyday tasks like sending messages, setting reminders, and more

Activate hands-free with only your voice using “Siri” or “Hey Siri,” or use Type to Siri

Protected by the strongest privacy of any intelligent assistant

Powered by Apple Intelligence, Siri is more natural and helpful

The next generation of Apple Intelligence is centered around you, integrated into your apps, and built with privacy.

Apple Intelligence powers Siri AI — an entirely new version of Siri that’s more personal, conversational, and powerful, along with helpful features across apps.

27

Subject to change based on future operating system updates

n77 C-Band, n260

Bands n1, n2, n3, n5, n7, n8, n12, n14, n20, n25, n26, n28, n29, n30, n38, n40, n41, n48, n53, n66, n70, n71, n75, n77, n78, n79, n258, n260, n261

Bands n1, n2, n3, n5, n7, n8, n12, n14, n20, n25, n26, n28, n38, n40, n41, n66, n71

Bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 20, 25, 26, 28, 29, 30, 32, 34, 38, 39, 40, 41, 42, 48, 53, 66, 71, 106

Bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 20, 25, 26, 28, 38, 39, 40, 41, 66, 71

Bands 850, 900, 1700/2100, 1900, 2100 MHz

Bands 850, 900, 1800, 1900 MHz

Yes

Yes

FaceTime video calling over cellular or Wi-Fi

FaceTime HD (1080p) video calling over 5G or Wi-Fi

Center Stage for video calling

FaceTime audio

Voice over LTE (VoLTE)

Wi-Fi calling

Voice Isolation and Wide Spectrum microphone modes

Wi-Fi 7 (802.11be) with 2x2 MIMO

Wi‑Fi 4 (802.11n)

Yes

NFC with reader mode

v6

v5.3

Dual eSIM (two active eSIMs; stores eight or more eSIMs)

iPhone Duo uses advanced eSIM technology for more convenience and security (not compatible with physical SIM cards).

Electronic SIM

Yes

Required to use smartwatch over cellular; rate plan required

MagSafe wireless charging up to 25W

Safari

Improved Workout app with new metrics, new views, and advanced ways to train.

Emergency SOS

International emergency calling

Fall Detection

Crash Detection

Last Emergency Call Availability Waypoint

Flashlight

Backtrack

Noise monitoring

Generates an ECG similar to a single-lead electrocardiogram.

The most accurate heart rate sensing in a wearable, Series 12 now measures HRV as often as every five minutes for insights on stress and recovery, and takes background heart rate readings every five seconds.

Touch ID fingerprint sensor

Barometer

High dynamic range gyro

High-g accelerometer

Proximity sensor

Four ambient light sensors

Health Sensing System: third-generation electrical heart sensor, always-on optical heart sensor, blood oxygen sensor, and temperature sensor

Compass

Always-on altimeter

High-g accelerometer

High dynamic range gyroscope

Ambient light sensor

Depth gauge to 6 meters

Water temperature sensor

Yes

Yes

Yes

Apple Music®

Apple Music®

AAC, APAC, MP3, Apple Lossless, FLAC, Dolby Digital, Dolby Digital Plus, and Dolby Atmos

Yes

Yes

Yes